What is the fundamental difference between a physical change and a chemical change?
A.
Physical changes involve a change in state, while chemical changes do not.
B.
Physical changes can be reversed, while chemical changes cannot.
C.
Chemical changes involve the formation of new substances, while physical changes do not.
D.
Chemical changes are always accompanied by a change in color, while physical changes are not.
Exam No：AP Chemistry Problem Set 6 Year：2024 Question No：APChemistry2024AP0453
Answer:
C
Knowledge points:
4.4 Physical and Chemical Changes
Solution:
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